000
FZNT02 KNHC 102143
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI SEP 10 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
 
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

ATLANTIC BETWEEN 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC FRI SEP 10.
24 HOUR FORECAST VALID 1800 UTC SAT SEP 11.
48 HOUR FORECAST VALID 1800 UTC SUN SEP 12.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM IGOR NEAR 16.7N 33.3W 1002 MB AT 2100 UTC SEP 10
MOVING W OR 280 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM E SEMICIRCLE
AND 40 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 0 NM E
SEMICIRCLE AND 45 NM W SEMICIRCLE WITH SEAS TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM IGOR NEAR 17.1N 38.4W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM OF CENTER EXCEPT 45 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 60 NM E SEMICIRCLE...60 NM NW QUADRANT...AND 45 
NM SW QUADRANT WITH SEAS TO 17 FT.
.48 HOUR FORECAST HURRICANE IGOR NEAR 17.3N 43.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM OF CENTER EXCEPT 70 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 120 NM N SEMICIRCLE...90 NM SE QUADRANT...AND 75 
NM SW QUADRANT. WITH SEAS TO 22 FT.
.72 HOUR FORECAST HURRICANE IGOR NEAR 17.7N 47.8W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IGOR NEAR 18.7N 51.6W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE IGOR NEAR 20.0N 55.0W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH 27N45W TO 15N45W. FROM 23N TO 30N BETWEEN 37W AND 
45W E TO SE WINDS 20 KT. SEAS 8 TO 10 FT IN SE SWELL. FROM 17N 
TO 27N E OF 37W NE WINDS 20 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST TROUGH 31N51W TO 20N52W. N OF 28N E OF TROUGH 
TO 43W SE WINDS 20 KT. SEAS 8 FT.
.42 HOUR FORECAST TROUGH DISSIPATED. WINDS LESS THAN 20 KT. SEAS 
LESS THAN 8 FT.

.24 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNINGS...FROM 14N TO 
26N E OF 43W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN IGOR WARNINGS...FROM 14N TO 
27N E OF 46W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.CARIBBEAN LOW PRES 14N61W 1009 MB. WITHIN 50 NM OF CENTER WINDS 
20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES 14N64W 1008 MB...POSSIBLE TROPICAL 
CYCLONE. WITHIN 150 NM NE QUADRANT OF CENTER WINDS TO 20 KT. 
SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LOW PRES 15N67W 1008 MB...POSSIBLE TROPICAL 
CYCLONE. WITHIN 120 NM N SEMICIRCLE OF CENTER WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER AL. TROPICAL PREDICTION CENTER.